package com.xlb.common;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;

import java.io.Serializable;

/**
 * @author:xiexy
 * @date: 2021/1/24 10:58 下午
 **/
@JsonSerialize(include = JsonSerialize.Inclusion.NON_NULL)
//保证序列化json的时候，如果是null的对象，key也会消失
public class ServiceResponse<T> implements Serializable {

    private int status;
    private String msg;
    private T data;

    private ServiceResponse(int status) {
        this.status = status;
    }

    private ServiceResponse(int status, T data) {
        this.status = status;
        this.data = data;
    }

    private ServiceResponse(int status, String msg, T data) {
        this.status = status;
        this.msg = msg;
        this.data = data;
    }

    private ServiceResponse(int status, String msg) {
        this.status = status;
        this.msg = msg;
    }
    @JsonIgnore
    //使之不在json序列化结果中
    public boolean isSuccess() {
        return this.status == ResponseCode.SUCCESS.getCode();
    }

    public int getStatus() {
        return status;
    }

    public T getData() {
        return data;
    }

    public String getMsg() {
        return msg;
    }


    public static <T> ServiceResponse createBySuccess() {
        return new ServiceResponse<T>(ResponseCode.SUCCESS.getCode());
    }

    public static <T> ServiceResponse createBySuccessMessage(String msg) {
        return new ServiceResponse<T>(ResponseCode.SUCCESS.getCode(), msg);
    }

    public static <T> ServiceResponse createBySuccess(T data) {
        return new ServiceResponse<T>(ResponseCode.SUCCESS.getCode(), data);
    }

    public static <T> ServiceResponse createBySuccess(String msg, T data) {
        return new ServiceResponse<T>(ResponseCode.SUCCESS.getCode(), msg, data);
    }

    public static <T> ServiceResponse<T> createByError() {
        return new ServiceResponse<T>(ResponseCode.ERROR.getCode(), ResponseCode.ERROR.getDesc());
    }

    public static <T> ServiceResponse<T> createByErrorMessage(String errorMessage) {
        return new ServiceResponse<T>(ResponseCode.ERROR.getCode(), errorMessage);
    }

    //参数错误
    public static <T> ServiceResponse<T> createByErrorCodeMessage(int errorCode, String errorMessage) {
        return new ServiceResponse<T>(errorCode, errorMessage);
    }
}
